- don't crash on NULL tunnels

diff --git a/src/mesh/gnunet-service-mesh-enc.c b/src/mesh/gnunet-service-mesh-enc.c
index b3d91eec2e6a29055836eb5adb0e685c0a3f01fa..39c3385e57049a7d1a3d885f5941d8673cca680c 100644 (file)
--- a/src/mesh/gnunet-service-mesh-enc.c
+++ b/src/mesh/gnunet-service-mesh-enc.c
@@ -3247,6 +3247,12 @@ tunnel_use_path (struct MeshTunnel2 *t, struct MeshPeerPath *p)
   struct MeshPeer *peer;
   unsigned int own_pos;
 
+  if (NULL == t || NULL == p)
+  {
+    GNUNET_break (0);
+    return NULL;
+  }
+
   GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_NONCE, &cid);
 
   c = connection_new (&cid);